Cassiterite and Bastnasite Physical Properties

Cassiterite

Bastnasite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.034.95-5.0

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Uneven

Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

Imperfect to indistinct on {10 1 0}, parting on {0001}

Mohs Hardness

6-74-5

2 10

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Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cassiterite and Bastnasite Chemical Formula

While comparing Cassiterite and Bastnasite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Cassiterite and Bastnasite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cassiterite and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.